
2NP-2
2-4-4
Section
Maintenance
part/location
Periodic maintenance
(x1000 counts)
Points and cautions
Page
Set
up
User
call
200
400
Image
Scaner
section
Contact glass
CL
CL
CL
CL: Slit glass for DP: Clean by dry
cloth or alcohol (attention: wet cloth
is strictly prohibited.) when inatalling
DP,clean with dry cloth.
Contact glass for putting the original
on: Dry cloth after cleaning with
alcohol (FACE SIDE)
Wipe the back side with dry cloth
after cleaning with alcohol only
when unusual image (line or stain)
appears. (BACK SIDE)
Mirror A/B/C
CL
CL: Airblow after dry cloth only
when unusual image(line) appears
ISU lens
CL
CL: Airblow after dry cloth only
when unusual image(line) appears
Exposure unit
CH
RE
RE: Replace if there are image
problems
ISU rail
LU
Check abnormal noise and jitter.
LU: scanner rail grease PG-671(P/
N 60170000)
Original detection
switch
CH
CL
CL:Alcohol or dry cloth if there is
problem. (lighting part and light
reception part.)
-
ISU
CH
RE
Replace if there are image prob-
lems
Section
Maintenance
part/location
Periodic maintenance
(x1000 counts)
Points and cautions
Page
Set
up
User
call
200
400
Drive and
Other
section
Clutch
CH
RE
CH
CH
CH: Check the copy registration and
paper feed condition on registration
and paper feed section
-
Sensor
CH
CH
CH
CH: Dry cloth or airblow if light
reception part of photo sensor is dirt
or paper dust
-
Summary of Contents for TASKalfa 2551ci
Page 1: ...SERVICE MANUAL Published in September 2016 842NP11A 2NPSM06A Rev A TASKalfa 2551ci ...
Page 10: ...This page is intentionally left blank ...
Page 97: ...2NP 1 1 2 74 This page is intentionally left blank ...
Page 259: ...2NP 1 3 162 U486 Details on the modes Figure 1 3 47 Item No Description ...
Page 473: ...2NP 1 5 62 This page is intentionally left blank ...
Page 497: ...2NP 2 1 22 This page is intentionally left blank ...
Page 555: ...2NP 2 3 48 This page is intentionally left blank ...
Page 584: ...Installation Guide DP 770 B Document processor DP 772 Document processor Installation Guide ...
Page 620: ...DP 773 Document processor Installation Guide ...
Page 646: ...PF 791 500 x 2 Paper feeder Installation Guide ...
Page 654: ...PF 810 3000 sheets deck Installation Guide ...
Page 667: ...DF 770 D Document finisher Installation Guide ...
Page 685: ...AK 740 Bridge unit Installation Guide ...
Page 687: ...PH 7A C D Punch unit Installation Guide ...
Page 708: ...DT 730 B Document tray Installation Guide ...
Page 710: ...5 2013 5 302LC56750 01 H F G D D 6 4 3 7 E C D D M4 8 M4 8 M4 8 M4 8 ...
Page 711: ...FAX System W B Installation Guide ...